Merge "Grant 'recents' SYSTEM_APPLICATION_OVERLAY" into sc-dev

         shown on top of all other apps.

         Allows an application to use

         {@link android.view.WindowManager.LayoutsParams#SYSTEM_FLAG_SYSTEM_APPLICATION_OVERLAY}

         {@link android.view.WindowManager.LayoutsParams#setSystemApplicationOverlay(boolean)}

         to create overlays that will stay visible, even if another window is requesting overlays to

         be hidden through {@link android.view.Window#setHideOverlayWindows(boolean)}.

         <p>Not for use by third-party applications. -->

    <permission android:name="android.permission.SYSTEM_APPLICATION_OVERLAY"

                android:protectionLevel="signature|wellbeing"/>

                android:protectionLevel="signature|recents|wellbeing"/>

    <!-- @deprecated Use {@link android.Manifest.permission#REQUEST_COMPANION_RUN_IN_BACKGROUND}

         @hide